Chapter 2.4

Vocabulary

Outline

Devices that Monitor Faults

• Creep Meter
  • uses a wire to detect/find any movement of a fault
• Laser-Ranging Devices
  • uses laser beams to detect/find any movement of a fault
• Tiltmeters
  • measures how much tilt is occurring around a fault
• Satellite Monitors
  • uses radar to take images of a fault

Monitoring Risk in the United States

• Geologist know where earthquakes are likely occur
  • Pacific Coast
  • Earthquakes where plates meet
  • Any place where a past earthquake has happened
  • Any fault that is active